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Finding the Fourth Proportional to 1,063.26, 1,593.44 and 906.28

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Solution

The fourth proportional to 1,063.26, 1,593.44 and 906.28 is: 1,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.26 : 1,593.44 = 906.28 : x
  2. Step 2: Convert to fraction form
    1,063.26/1,593.44 = 906.28/x
  3. Step 3: Cross multiply
    1,063.26x = 1,593.44 × 906.28
  4. Step 4: Simplify right side
    1,063.26x = 1,444,102.80
  5. Step 5: Solve for x
    x = 1,444,102.80/1,063.26
  6. Step 6: Final answer
    x = 1,358.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.